Concept explainers
a.
To find recursive and explicit formula.
a.
Answer to Problem 7.10.1P
The explicit formula is
Explanation of Solution
Given information:
The geometric sequence is,
3,6,10
Formula Used:
Geometric sequence is,
Common ratio is,
Calculation:
Common ratio is, substituting the values,
On solving,
For explicit formula, substituting in geometric sequence formula,
For recursive formula,
Can rewrite it as,
Hence, the explicit formula is
Conclusion:
The explicit formula is
b.
To find recursive and explicit formula.
b.
Answer to Problem 7.10.1P
The explicit formula is
Explanation of Solution
Given information:
The arithmetic sequence is,
-3, 6, 15
Formula Used:
Arithmetic sequence is,
Common ratio is,
Calculation:
Common difference is, substituting the values,
So,
On solving,
For explicit formula, substituting in sequence formula,
So,
On solving,
For recursive formula, substituting the values
Hence, the explicit formula is
Conclusion:
The explicit formula is
Chapter ISG Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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